A eclipse year is the time between node passages. In 1994 it was 346.620073 days, and in 1995-1998, it was 346.620074 days, and in 1999-2000, it was 346.620075 days.
Anomalistic Year, Sidereal Year, Tropical Year, Year
United States Government Printing Office. The Astronomical Almanac for the Year 2000. Washington, DC: Navy Dept., Naval Observatory, Nautical Almanac Office, p. C1, 2000.
